EP2618670B1 - Dough processing system and method therefor - Google Patents
Dough processing system and method therefor Download PDFInfo
- Publication number
- EP2618670B1 EP2618670B1 EP11771051.7A EP11771051A EP2618670B1 EP 2618670 B1 EP2618670 B1 EP 2618670B1 EP 11771051 A EP11771051 A EP 11771051A EP 2618670 B1 EP2618670 B1 EP 2618670B1
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- European Patent Office
- Prior art keywords
- dough
- strand
- processing
- loop
- processing table
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- 238000000034 method Methods 0.000 title claims description 13
- 210000002105 tongue Anatomy 0.000 claims description 50
- 230000033001 locomotion Effects 0.000 claims description 35
- 238000007493 shaping process Methods 0.000 claims description 8
- 241000673677 Viburnum lantana Species 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000007654 immersion Methods 0.000 description 3
- 235000012434 pretzels Nutrition 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C3/00—Machines or apparatus for shaping batches of dough before subdivision
- A21C3/08—Machines for twisting strips of dough, e.g. for making pretzels
Definitions
- the invention relates to a dough processing system for processing a U-shaped dough strand with a processing head comprising two gripper means for slinging the dough strand and a forming table provided with positioning means for positioning the sub-strand.
- the invention also relates to a method for producing a single strand.
- the first component is a processing head provided with two programmable grippers.
- the second component is a holding body integrated in the forming table, which comprises a plurality of positioning means designed as holding pins. The retaining pins hold the dough strand on the forming table during a looping motion in the preparation of the pretzel shape.
- the invention has for its object to provide a dough processing system with which the fully automatic production of another type of dough is possible, in particular with which the production of a so-called Einstrangzopfes is possible.
- loops and shapes characteristic of a pigtail can be formed in combination with the gripper arms of the head.
- the invention also relates to a method for processing a dough strand from a dough strand bent in a U-shape, in which a single-strand plait is formed by means of a processing head comprising two gripping means and a processing table having different processing functions.
- a processing head comprising two gripping means and a processing table having different processing functions.
- At least one positioning means is designed as a lifting means for quakeing a dough strand area in a lifting position, so that the dough strand is raised in regions relative to the forming table.
- At least one positioning means is designed as a gripping means for drawing a dough strand, so that the dough strand is stretched and / or pulled in regions. This pulling is favorable, because so a third gripper is available, so that without the aid of the tool head a kind of knot is possible without which no Einstrangzopf is possible.
- At least one positioning means is provided as a pivot means for pivoting a dough strand loop formed by the gripper means of the processing head about a rotation axis parallel to the plane of the processing table.
- the processing table at least one lifting means, a gripping means and a Swiveling means are present.
- the pivot means on two spaced-apart holding arms which are directed transversely to a conveying direction of the processing table and at one of its ends a, in particular L-shaped, support tongue, both holding arms spaced from one to the support arms, parallel rotation axis are rotatable, and wherein the retaining arms are fixed at the opposite ends of the retaining tongues on a bearing which are tiltable about an axis directed in the conveying direction of the processing table axis, so that an up and down movement of the retaining arms or the retaining tongues arises.
- the retaining arms can produce the characteristic loop of the Einstrangzopfes, wherein between the arms, a positioning of the Zopfendes in the loop by a gripper of the head is possible.
- a particularly preferred embodiment of the invention is characterized in that the processing table, a preferably U-shaped positioning means for fixing a Budapestlystrangendes is present during the dough processing, said positioning is performed submersible in the processing table.
- At least one positioning means on the processing table is designed as a holding pin which can be dipped into the processing table. This forms the counterpart to a rotary drive described below.
- processing table is provided with a plurality of adjacent conveyor belts, wherein at least a part of the positioning means are arranged between the conveyor belts. Between the individual belts, the processing elements can be accommodated well.
- the processing step for creating the pretzel-like basic shape by gripping means of the processing head if the first Fixing step by means of a, preferably U-shaped positioning means takes place when the second fixing step is performed by a retaining pin when the lifting step by at least one lifting means, preferably by a linearly guided lifting element and / or by holding arms, when the pivoting step is carried by two retaining arms, when the dough moving step is performed by tilting the holding arms toward the processing table, and when the further dough moving step is performed by a gripper means disposed on the processing head.
- a lolling system or a dough processing system 100 for producing a single-stranded pot or for processing a U-shaped dough strand 1 is shown.
- An existing feeder for bending the U-shaped sub-string is already well known and will not be explained here.
- an exhaust table may be arranged downstream in a known manner, which further conveys the finished dough products.
- the system 100 consists essentially of two main components, namely a processing head 2 and a forming table, which is designed as a processing table 3.
- the processing head 2 has two, basically known, gripper means or grippers 4, 5 for slinging the dough strand.
- the grippers 4, 5 are for example from the WO 01/60164 known.
- the processing table 3 has a plurality of juxtaposed conveyor belts, which consist of narrow conveyor belt 6 and wide conveyor belt 7, 8. Between the individual conveyor belts are various Positioning means arranged, which bring the dough strand 1 each in a position, so that a total of the Einstrangzopf arises. In this case, not only a retaining pin is used, but also other elements are used, which cause more than just a "hold". These integrated in the processing table 3 elements will be explained later. These elements have a processing function that is at least partially comparable to a processing function of the grippers 4, 5.
- FIG. 2 shows such a Einstrangzopf which is automatically produced both manually and by the invention.
- the braid has four characteristic crossing points 13, 14, 70, 71.
- FIGS. 3a-3e illustrate the manual manufacturing steps.
- the mechanical production differs slightly from the manual production, this is especially true for the in Fig. 3a shown starting position.
- Characteristic, however, for the single stranded pigtail is passing a dough strand 61 under a strand region 11, as in FIG Fig. 3c is shown.
- Also characteristic is the twisting or turning or turning of a loop 12 into a shape that is in Fig. 3d is shown.
- the Teigstrangende 61 is passed through the loop 12, as Fig. 3e shows.
- processing head 2 which is quasi part of a known looping device (see. WO 01/60164 ), which executes the desired motions as successive steps by programming a suitable programming of a PLC controlling the looping apparatus (programmable logic controller) or a freely programmable controller.
- the processing head 2 is as Fig. 4 shows, essentially from a horizontal guide 15 with at least one lifting cylinder 16, the two grippers 4, 5 leads horizontally.
- the horizontal guide 15 comprises a plurality of articulated guide elements 17, 18.
- the processing head 2 for each gripper 4, 5 comprises a vertical guide 19 with at least one Positioning cylinder and a rotary drive with a rotary guide and a rotary head 20.
- the vertical guide 19 can be moved together with the cylinders, the rotary drive, the rotary head 20 via the horizontal drive and the lifting cylinders in the horizontal direction.
- the rotary head 20 can be adjusted with the lifting cylinder and a linear guide in the vertical direction.
- the rotary head 20 can be rotated about a vertical axis by 360 °.
- the rotary head 20 can also be pivoted about vertical axes.
- each gripper 4, 5 of two gripping fingers 21, 22, which can be folded and spread apart, or can be pivoted about the axes 24, 25 to grip the dough strand or let go.
- a sliding element 23 is present, which is vertically displaceable and provided to move the dough away from the grippers or to adhere to a dough mass when opening the gripping fingers 21, 22. This is useful because otherwise the dough could stick to the gripping fingers 21, 22.
- Fig. 5 shows the processing table 3, which can also be referred to as loop table, wherein in Fig. 6 the looping or processing components are shown enlarged.
- the belt table or processing table 3 comprises a U-shaped positioning means 26, like the Figures 5 and 6 show, which is a vertically arranged retaining tongue 27 with a U-shaped cut at its free end, wherein the tongue 27 extends parallel to the conveying direction X of the processing table.
- This positioning means 26 serves to hold a loop during dough processing and is made of plastic, for example.
- the Teigstrangende 62 is placed through the U-shaped recess 26, whose width is adapted to the dough strand diameter.
- the retaining tongue 27 can dip into the table 3.
- the arrow Y shows the immersion direction of the positioning means 26 and the retaining tongue 27.
- the retaining tongue 27 is shown in the emergence position. In this emergence position the dough lies in the area of this holder but still flat on the processing table 3 on. An immersion of the retaining tongue 27 is required so that the finished looped Einstrangzopf can be released and transported on.
- the positioning means 26 also has another function, namely to hold the U-shaped dough strand 1 directly after the U-shaped dough strand 1 has reached the processing table 3 or has stopped there for further processing.
- the retaining tongue 27 has a similar function as the integrated in the table retaining pins of WO 01/60164 , It holds the dough in position.
- the retaining tongue 27 supports the shaping during the dough wrap. As well as in Fig. 6 can be seen well, the retaining tongue 27 is in a gap between the conveyor belt 6 and 7, wherein the conveyor belts are spaced from each other. Alternatively, the retaining tongue 27 could be replaced by two pins, which would be placed in the region of the legs.
- the tongue solution has the advantage that the dough can be placed there slightly offset upwards.
- the lifting means 28 positions the dough strand in a position spaced from the table 3 position and is therefore also a positioning means 28.
- the lifting means 28 is a holding web 29, which is designed as a slider and which is submersible in the processing table 3 and can be brought out so far that the Dough is lifted or pushed upwards by at least one dough height so that a dough strand can be pulled through, as will be illustrated later.
- the vertical movement is not 90 ° relative to the plane of the table, but runs slightly obliquely with a deviation of eg 10 ° - 45 ° relative to the vertical, as illustrated by the arrow A.
- This inclination is useful so that the dough is pushed into position when lifted.
- an arcuate contour 30 is present, in which the dough is held.
- the lifting means 28 (with respect to conveying direction) in front of the U-shaped positioning means 26 is arranged.
- a table gripper 32 is arranged between the second conveyor belt 6 and the third conveyor belt 8. This positions the Teigstrangende 61 or pulls it under a dough loop through. This is called gripper means 33 or positioning means 33 (FIG. Fig. 5 ) designated. This is displaceable in the conveying direction X, wherein the table gripper 32 in Fig. 5 a front position and in Fig. 6 occupies a rear position.
- the table gripper 32 is provided with two gripping fingers 34, 35, such as Fig. 6 shows, which can be rotated about an axis lying in the conveying direction X or opened and opened. Between the gripping fingers 34, 35 is a support plate 36, in which this Teigstrangende can rest.
- the support plate 36 is held by the bolt 37 and is connected to a linear guide.
- the table gripper 32 is disposed between the belt 6 and the belt 8, such as Fig. 5 shows.
- the positioning means 33 is therefore designed as a gripping means for pulling a Teigstrangendes, so that the dough strand is partially stretched and / or pulled.
- Fig. 7 shows on the one hand the slider or the holding web 29, which has been pushed up and on the other hand, that the table gripper 32 has been pulled back, in this position, the second gripper 5, which in the normal position ( Fig. 1 ) is disposed near the third belt 8, is ready for re-gripping the dough strand 61 ready.
- both grippers 4, 5 are ready for gripping the U-shaped dough strand.
- a further positioning means 38 ( Fig. 5 ), namely a retaining pin 39 (FIG. Fig. 7 ) integrated in the processing table 3, in the Figures 5 and 7 you can see.
- the retaining pin 39 is located (with respect to the conveying direction) after the retaining tongue 27 and the holding web 29.
- the retaining pin 39 holds a second loop of the dough strand in position, as explained in more detail later.
- the retaining pin 39 is also completely submerged in the processing table 3, so that in the immersion position, in which the pin 39 does not protrude from the table 3, the finished dough product can be transported by means of the belts 6 to 8, as already from WO 01/60164 is known.
- the positioning means 40 serves for rotating a dough loop or for pivoting a dough strand loop formed by the gripper means 4, 5 of the processing head 2 about an axis of rotation parallel to the plane of the processing table 3. This axis corresponds approximately to a rotation axis B, which in Fig. 6 is drawn.
- the positioning means or pivoting means 40 is designed as a fork mount with forks 50.
- the pivot means 40 has two spaced apart retaining arms 41, 42. These are directed transversely to the conveying direction X of the processing table 3 and are provided at one of its ends with the prongs 50 and L-shaped retaining tongues 51, 52.
- Each retaining tongue 51, 52 has in a basic position according to the Fig. 8 a parallel to the table 3 extending leg (see. Fig. 6 ) and a vertical leg 53. Both holding arms 41, 42 are about the spaced apart from the holding arms, parallel rotation axis B rotatable.
- the retaining arms 41, 42 are also fixed to a bearing 44 at the opposite ends of the retaining tongues 51, 52.
- a rotary drive rotates the arms 41, 42 by 180 ° so that either the tines 50 face upwards, as in FIG Fig. 8 is shown, or pointing down, as in Fig. 6 is shown.
- the holding arms 41, 42 are also spaced apart from the axis B, so that both arms 41, 42 and the axis B form a quasi quasi triangle.
- the arms 41, 42 tiltable about an axis C directed in the conveying direction of the processing table 3, as a comparison of FIGS. 7 and 8th shows.
- the bearing 44 with a tilting element 45 or rotary drive 63 which is attached to the processing table 3.
- the element 45 comprises a pneumatic cylinder or a rotary cylinder.
- the support arms 41, 42 have the task of processing the dough so that a dough loop is lifted from the table, quasi "turned in the air" and then placed back on the table 3.
- the tilting movement is achieved by a rotary drive 63 or the tilting element 45.
- Positioning of the dough or dough processing involves operations such as fixing the dough (eg, means 26), lifting the dough (see means 28), shaping the dough by pulling the dough (see means 33), holding or supporting the dough (see means 38, 40) or by pivoting or twisting the dough (cf Means 40).
- FIGS. 9 to 31 illustrate in particular the method steps for processing the dough strand 1 from the U-shaped dough strand, in which by means of two gripping means 4, 5 comprehensive processing head 2 and the different processing functions having processing table 3 of the Einstrangzopf according to Fig. 2 is formed.
- each FIGS. 10 to 31 each shows a subsequent position of the previous figure.
- Fig. 9 It is shown how a U-shaped dough strand 1 is fed to the system 100 and is moved by the conveyor belts 6 to 8 in the direction of the open grippers 4, 5 of the head 2.
- the second retaining pin 39b and a rear retaining tongue 52 of the fork receptacle can be seen.
- the second retaining pin 39b is in the forward position.
- the retaining arms 41, 42 are folded down, with the vertical legs of the retaining tongues 51, 52 facing upward.
- Fig. 10 shows that the dough strand 1 is moved to the grippers 4, 5 and that the retaining tongue 27 is already extended.
- the retaining tongue 27 has a holding function for a first loop of the dough strand, such as in Fig. 13 you can see. Furthermore, the table gripper 32 can be seen.
- Fig. 11 shows that the grippers 4, 5, the ends 61 and 62 of the dough strand 1 engage. From this gripping position is a lifting movement of the gripper 4, 5 upwards and a cross-over pivotal movement of the gripper 4, 5, as by the Figures 12 and 13 is illustrated. The pivotal movement is by the lifting cylinder 16 and 46 ( Fig. 4 and Fig. 7 ), which leads the two grippers 4, 5 horizontally, achieved.
- Fig. 12 also shows that the U-shaped positioning means 27 for fixing the dough strand 62 during dough processing is present on the processing table 3, this positioning means 27 being plungable into the processing table, such as Fig. 28 respectively.
- Fig. 29 demonstrate.
- a pretzel-like basic shape of the dough strand 1 is achieved.
- the lowering movement of the grippers 4, 5 is achieved by a lowering movement of the processing head 2 with a drive.
- the dough strand 1 has a first, the retaining tongue 27 near loop 64 and a second, the holding arms near loop 65.
- the second loop is held by the retaining pins 39, 39b, 50 and 51 in the form of the Figures 14 and 15 demonstrate.
- the 90 ° pivoting movement is important for the second gripper 5, so that the Teigstrangende 62 (see. Fig. 11 and 15 ) is rotated from a lying in the conveying direction position in a transverse position, so that this end 62 can be placed in the retaining tongue 27, in the U-shaped incision ( Fig. 15 ).
- the dough strand end 62 can be deposited in the region of the loop 64 on the dough strand and pressed onto the dough strand by means of the sliding element 23 in the gripper 5 for fixing. In this case, the end 62 is rotated by 90 °.
- this gripper movement is also important so that the first end 61 is rotated by 180 ° and thus this can be placed in the correct position in the table gripper 32 by the first gripper 4, such as Fig. 15 shows. While in Fig. 14 the table gripper 32 is still open, this is already in Fig. 15 with its gripping fingers 34, 35 ( Fig. 6 ) closed.
- FIGs 16 and 17 illustrate a lifting operation in which the second loop 65 is lifted by means of the retaining web 29 and the retaining arms 41, 42.
- the loop 65 is raised so far in the area of the table gripper 32, so that the first end 61 can be pulled unhindered in the direction of arrow K by the table gripper 32, which in Fig. 18 can be clearly seen.
- the first retaining pin 39 prevents a lower dough area 66 (cf. Fig. 15 ) is pulled along by pulling the table gripper.
- the Fig. 16 and 17 illustrate that the positioning means 29, and 41, 42 and 40 is carried out as a lifting means for lifting the dough strand portion 72 in a lifting position, so that the dough strand 1 is raised relative to the forming table or processing table 3 area.
- the second retaining pin 39b is connected to the linearly displaceable grippers and is also linearly displaceable, such as Fig. 18 shows.
- the second pin 39b does not have to be immersed in the table 3, because, like the table gripper 32, it also lies behind the single-strand plunger during further transport of the finished dough product.
- Fig. 18 also shows that the positioning means 33 is designed as gripper means for pulling a Teigstrangendes so that the dough strand is partially stretched and / or pulled.
- Fig. 18 shows that here only one positioning means is designed as a holding pin 39b, which is not immersed in the processing table 3. Alternatively, it would also be possible to provide a pin that can be submerged in the table instead of the pin 39b.
- Fig. 19 It can be seen that the second gripper 4 5 engages the first end of the dough strand 61, while the end 61 is still held by the table gripper 32. At the same time holding the web 29 and the holding arms 41, 42, the second loop 65 in the upper position. Here, the holding arms 41, 42 are tilted upwards.
- Fig. 20 On the one hand, an opening movement of the table gripper 42 is visible and on the other hand, a pivoting movement or a rotation of the second loop 65 recognizable.
- the rotation of the loop 65 takes place by turning the retaining arms about the axis B mentioned at the beginning. Fig. 6 ).
- the arms 41, 42 have rotated in this illustration by about 45 °.
- the loop By attached to the free ends of the arms 41, 42 L-shaped tongues 51, 52, whose horizontal legs are directed opposite, the loop is firmly in the arms 41, 42.
- the table gripper 32 is already open in this position.
- the table gripper 32 opens approximately at the beginning of the pivotal movement of the arms 41, 42.
- Fig. 20 is the retaining pin 39 can still be seen.
- the Fig. 21 further shows a rotation of the second loop 65 by almost 90 °. It can also be seen that the dough area 67 between the dough base body 68 and the gripper 5 is spaced from the processing table 3.
- Fig. 22 a further rotation of the second loop 65 is shown, wherein the angle of rotation is now about 135 °.
- the arms 41, 42 are still tilted upwards, which can be seen from the position of the tilting element 45.
- FIGS. 19 to 23 show, therefore, that the positioning means 40 (holding arms 41, 42) is designed as a pivoting means for pivoting a dough strand loop 65 formed by the gripper means 4, 5 of the processing head 2 about an axis of rotation parallel to the plane of the processing table 3.
- the first end 61 is then moved forward by the gripper 5, ie in the direction of the arms 41, 42, as Fig. 24 shows until the first end 61 is above the second loop 65 and between the arms 41, 42, as Fig. 25 shows.
- the gripping arm 5 lowers.
- the sliding element 23 of the gripper 5 then lowers, which in Fig. 26 is clearly visible and is illustrated by arrow F. In this case, the sliding element 23 can dip into the loop area and at least partially pass through the loop opening.
- the sliding element 23 of the second gripper 4 is also moved down to push the second end 62 after it has been placed in the retaining tongue 27 to the first loop 64, which is approximately in the time domain of Fig. 15 happens.
- the actuation of the slide 23 takes place approximately simultaneously with the spreading movement of the gripping fingers 21, 22 (FIG. Fig. 4 . Fig. 25 ).
- the movement of the sliding element 23 of the second gripper 5 is also in Fig. 27 to see. In this illustration, however, it can clearly be seen that the retaining arms 41, 42 are tilted downwards, whereas those in FIG Fig. 28 tilted up to let the dough strand 1, the finished dough product is there to see well.
- the gripper 5 in this case remains in the position directly above and against the loop to fix the dough strand thus in the vertical direction on the processing table and lifting the loop when pulling out to prevent the L-shaped tongues 51, 52.
- Fig. 30 it can be seen that the retaining tongue 27 is immersed and in Fig.31 you can see that she reappears.
- the table gripper 32 is also moved to its basic position, near the arms 41, 42 ( Fig. 31 ).
- the arms 41, 42 are in the basic position approximately in the plane of the table, with the legs of the L-shaped retaining tongues 51, 52 facing upward.
- the movements of the processing means 27, 29, 32, 39, 39b, 41, 42 of the processing table are controlled by the PLC, which also controls the processing head 2. It is also possible to use sensors with the aid of which the positions and movements of the dough strand 1 on the processing table 3 can be detected.
- the motions of the processing means 27, 29, 32, 39, 39b, 41, 42 may be controlled pneumatically (e.g., by valves) and / or electrically.
- the invention is not limited to this example, so as an alternative to the two holding arms 41, 42, another holding element could be used, which at its free end, for example. has a recess so that the end of the dough strand can be fixed. Also, instead of the L-shaped tongues pins or other webs could be used. Also, instead of having an upwardly facing orientation, the gripper arms of table gripper 32 could also face forward so that the gripper arms pivot perpendicular to the plane of the table. The use of several table grippers is also possible. The number of retaining pins is not limited to two. So there could be three or more than three pins on the table. As an alternative to the U-shaped positioning means two adjacent pins could be used or other fixing parts may be used.
- FIG. 32 shows a flow chart of the method according to the invention with all process steps.
- the dough strand 1 is conveyed in a U-shape to the processing area, being stopped and fixed by the holding pins 39 B and the legs of the holding tongues 27, 51, and 52.
- the grippers 4 and 5 grip the Teigstrangenden 61 and 62.
- the gripper 5 rotates by 90 °, the Teigstrangende 62 is still held by the gripper 5.
- This is followed by a 180 ° rotation of the gripper 4 with the Teigstrangende 61 around the gripper 5 around (step S4).
- the grippers 4 and 5 are moved together counter to the conveying direction of the U-shaped dough strand 1 (step S5) to deposit the Teigstrangenden 61 and 62 can later.
- the gripper 4 sets the Teigstrangende 61 in the table gripper 32 and the gripper 5 the Teigstrangende 62 in the retaining tongue 27th from (step S6).
- the loop 12 is raised by means of the holding tongues 51 and 52 of the rotary drive 63 by a tilting movement of the rotary drive 63 as step S6 during the laying down of the dough strand ends 61 and 62 (step S7).
- step S8 the strand portion 11 is raised with the holding web 29 (step S8), after which the table picker 32 pulls the dough strand 61 through the loop 12 (step S9).
- the grippers 4 and 5 are moved so that the gripper 5 can receive the dough strand 61 in the next step S10.
- the loop 12 is rotated by a rotational movement of the holding tongues 51 and 52 in the clockwise direction by 180 ° and stored again (step S11).
- the gripper 5 is rotated with the Teigstrangende 61 by 90 ° clockwise, and then the Teigstrangende 61 deposited in the loop 12 (step S13).
- step S14 Thereafter, the grippers 4 and 5, the holding web 29, the retaining tongue 51 and 52, the rotary drive and all other parts used device is moved back to its original position to process the next dough strand 1 (step S14).
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Description
Die Erfindung betrifft ein Teigverarbeitungssystem zum Verarbeiten eines U-förmigen Teigstrangs mit einem Verarbeitungskopf, das zwei Greifermittel zum Schlingen des Teigstrangs umfasst sowie einen Formtisch umfasst, das mit Positionierungsmitteln zum Positionieren des Teilstrangs versehen ist. Die Erfindung betrifft auch ein Verfahren zur Herstellung eines Einstrangzopfes.The invention relates to a dough processing system for processing a U-shaped dough strand with a processing head comprising two gripper means for slinging the dough strand and a forming table provided with positioning means for positioning the sub-strand. The invention also relates to a method for producing a single strand.
Bekannt sind Teigverarbeitungssysteme der genannten Art zum maschinellen Herstellen von Brezeln. Ein solches System ist beispielsweise in der
Der Erfindung liegt die Aufgabe zugrunde, ein Teigverarbeitungssystem zu schaffen, mit dem die vollautomatische Herstellung einer anderen Teigform möglich ist, insbesondere mit dem die Herstellung eines sogenannten Einstrangzopfes möglich ist.The invention has for its object to provide a dough processing system with which the fully automatic production of another type of dough is possible, in particular with which the production of a so-called Einstrangzopfes is possible.
Diese Aufgabe wird durch ein System mit den kennzeichnenden Merkmalen des Anspruches 1 in Verbindung mit seinen Oberbegriffsmerkmalen gelöst bzw. durch die Merkmale der unabhängigen Ansprüche gelöst.This object is achieved by a system having the characterizing features of
Indem die Verarbeitungselemente in dem Tisch integriert sind, können in Kombination mit den Greiferarmen des Kopfes die für einen Zopf charakteristischen Schlaufen und Formen gebildet werden.By integrating the processing elements in the table, loops and shapes characteristic of a pigtail can be formed in combination with the gripper arms of the head.
Durch die Erfindung können grundsätzlich auch andere Teigformen geformt werden.In principle, other dough forms can also be formed by the invention become.
Die Erfindung betrifft auch ein Verfahren zum Verarbeiten eines Teigstranges aus einem U-förmig gebogenen Teigstrang, bei dem mittels eines zwei Greifermittel umfassenden Verarbeitungskopfes und eines verschiedene Verarbeitungsfunktionen aufweisenden Verarbeitungstisches ein Einstrangzopf geformt wird. Durch das erfindungsgemäße Verfahren ist eine vollautomatische Herstellung eines Einstrangzopfes in hoher Stückzahl möglich.The invention also relates to a method for processing a dough strand from a dough strand bent in a U-shape, in which a single-strand plait is formed by means of a processing head comprising two gripping means and a processing table having different processing functions. By the method according to the invention is a fully automatic production of a Einstrangzopfes in large quantities possible.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous embodiments of the invention are characterized in the subclaims.
Im erfindungsgemäßen Systems ist vorgesehen, dass wenigstens ein Positionierungsmittel als Anhebemittel zum Anbeben eines Teigstrangbereichs in einer Anhebungsposition ausgeführt ist, so dass der Teigstrang gegenüber dem Formtisch bereichsweise angehoben ist. Dadurch kann ein Teigstrangende unter einem Strangbereich hindurch bewegt werden, so dass eine Zopfform möglich ist.In the system according to the invention it is provided that at least one positioning means is designed as a lifting means for quakeing a dough strand area in a lifting position, so that the dough strand is raised in regions relative to the forming table. Thereby, a Teigstrangende can be moved under a strand area, so that a Zopfform is possible.
Gemäß der Erfindung ist zusätzlich oder alternativ wenigstens ein Positionierungsmittel als Greifermittel zum Ziehen eines Teigstrangendes ausgeführt, so dass der Teigstrang bereichsweise gedehnt und/oder gezogen wird. Dieses Ziehen ist günstig, weil so ein dritter Greifer zur Verfügung steht, damit ohne Zuhilfenahme des Werkzeugkopfes eine Art Knoten möglich ist, ohne den kein Einstrangzopf möglich ist.According to the invention, additionally or alternatively, at least one positioning means is designed as a gripping means for drawing a dough strand, so that the dough strand is stretched and / or pulled in regions. This pulling is favorable, because so a third gripper is available, so that without the aid of the tool head a kind of knot is possible without which no Einstrangzopf is possible.
Gemäß der Erfindung ist zusätzlich oder alternativ wenigstens ein Positionierungsmittel als Schwenkmittel zum Verschwenken einer durch die Greifermittel des Verarbeitungskopfes geformten Teigstrangschlinge um eine parallel zur Ebene des Verarbeitungstisches angeordneten Drehachse ausgeführt. Durch dieses Mittel kann eine Schlaufe um 180° gedreht werden, ohne die ebenfalls kein Einstrangzopf möglich ist.According to the invention, additionally or alternatively, at least one positioning means is provided as a pivot means for pivoting a dough strand loop formed by the gripper means of the processing head about a rotation axis parallel to the plane of the processing table. By this means, a loop can be rotated by 180 °, without which also no Einstrangzopf is possible.
Zur Herstellung eines Einstrangzopfes ist es daher von Vorteil, dass am Verarbeitungstisch wenigstens ein Anhebemittel, ein Greifermittel und ein Schwenkmittel vorhanden sind.To produce a Einstrangzopfes it is therefore advantageous that the processing table at least one lifting means, a gripping means and a Swiveling means are present.
Bei einer weiteren vorteilhaften Ausführung der Erfindung weist das Schwenkmittel zwei voneinander beabstandete Haltearme auf, die quer zu einer Förderrichtung des Verarbeitungstisches gerichtet sind und an einem ihrer Enden eine, insbesondere L-förmige, Haltezunge tragen, wobei beide Haltearme um eine zu den Haltearmen beabstandete, parallele Drehachse drehbar sind, und wobei die Haltearme an den gegenüberliegenden Enden der Haltezungen an einer Lagerung fixiert sind, die um eine in Förderrichtung des Verarbeitungstisches gerichtete Achse kippbar sind, so dass eine Auf- und Ab-Bewegung der Haltearme bzw. der Haltezungen entsteht. Die Haltearme können die charakteristische Schlaufe des Einstrangzopfes herstellen, wobei zwischen den Armen eine Positionierung des Zopfendes in die Schlaufe durch einen Greifer des Kopfes möglich ist.In a further advantageous embodiment of the invention, the pivot means on two spaced-apart holding arms which are directed transversely to a conveying direction of the processing table and at one of its ends a, in particular L-shaped, support tongue, both holding arms spaced from one to the support arms, parallel rotation axis are rotatable, and wherein the retaining arms are fixed at the opposite ends of the retaining tongues on a bearing which are tiltable about an axis directed in the conveying direction of the processing table axis, so that an up and down movement of the retaining arms or the retaining tongues arises. The retaining arms can produce the characteristic loop of the Einstrangzopfes, wherein between the arms, a positioning of the Zopfendes in the loop by a gripper of the head is possible.
Eine besonders bevorzugte Weiterbildung der Erfindung zeichnet sich dadurch aus, dass am Verarbeitungstisch ein, vorzugsweise U-förmiges, Positionierungsmittel zum Fixieren eines Teigstrangendes während der Teigverarbeitung vorhanden ist, wobei dieses Positionierungsmittel in den Verarbeitungstisch eintauchbar ausgeführt ist. Hierdurch lässt sich der Teigstrang zu Beginn der Teigformung leicht am Tisch halten, so dass auch bei hoher Stückzahl stets die gleiche Form erreichbar ist.A particularly preferred embodiment of the invention is characterized in that the processing table, a preferably U-shaped positioning means for fixing a Teigstrangendes is present during the dough processing, said positioning is performed submersible in the processing table. As a result, the dough strand at the beginning of dough molding can be easily held on the table, so that even with high quantities always the same shape can be reached.
Damit die Form einer Schlaufe erhalten bleibt, ist es von Vorteil, wenn am Verarbeitungstisch wenigstens ein Positionierungsmittel als ein Haltestift ausgeführt ist, das in den Verarbeitungstisch eintauchbar ist. Dieses bildet das Gegenstück zu einem weiter unten beschriebenen Drehantrieb.In order to maintain the shape of a loop, it is advantageous if at least one positioning means on the processing table is designed as a holding pin which can be dipped into the processing table. This forms the counterpart to a rotary drive described below.
Eine andere bevorzugte Weiterbildung der Erfindung zeichnet sich dadurch aus, dass der Verarbeitungstisch mit mehreren nebeneinanderliegenden Förderbändern versehen ist, wobei zumindest ein Teil der Positionierungsmittel zwischen den Förderbändern angeordnet sind. Zwischen den einzelnen Riemen lassen sich die Verarbeitungselemente gut unterbringen.Another preferred embodiment of the invention is characterized in that the processing table is provided with a plurality of adjacent conveyor belts, wherein at least a part of the positioning means are arranged between the conveyor belts. Between the individual belts, the processing elements can be accommodated well.
Das erfindungsgemäße Verfahren ist besonders vorteilhaft, wenn dieses folgende Schritte umfasst:
- einen Teigstrang-Zuführungsschritt, bei dem der U-förmige Teigstrang dem Verarbeitungstisch zugeführt wird,
- einen Verarbeitungsschritt, bei dem aus dem U-förmigen Teigstrang aus einer sich überkreuzenden Teigbewegung eine etwa brezelartige Grundform mit einer ersten Schlinge und einer zweiten Schlinge geformt wird, wobei aber der Teigstrang im Kreuzungspunkt nicht geschlungen bzw. nicht verknotet ist,
- einen ersten Fixierungsschritt, bei dem ein Ende des Teigstranges am Verarbeitungstisch und/oder am Teigstrang im Bereich der ersten Schlinge fixiert wird,
- einen zweiten Fixierungsschritt, bei dem der Teilstrang im Bereich der dem Ende gegenüberliegenden, zweiten Schlinge am Verarbeitungstisch fixiert wird,
- einen Anhebeschritt, bei dem der Teilstrang im Bereich der zweiten Schlinge angehoben wird,
- einen Greifschritt, bei dem ein anderes Teigende von einem am Verarbeitungstisch angeordneten Greifmittel gegriffen wird und zwischen dem Verarbeitungstisch und einem Teilstrangbereich durchgezogen wird,
- einen weiteren Greifschritt, bei dem das andere Ende von einem am Verarbeitungskopf angeordneten Greifmittel gegriffen wird,
- einen Schwenkschritt, bei dem die zweite Schlinge um etwa 180° um eine quer zur Förderrichtung des Verarbeitungstisches angeordnete Achse in der angehobenen Position geschwenkt wird, wobei der Teig nun sich anschließend an zwei Stellen überkreuzt,
- einen Teig-Bewegungsschritt, bei dem die zweite Schlinge wieder auf den Verarbeitungstisch gelegt wird, und
- einen weiteren Teig-Bewegungsschritt, bei dem das Teigende in die zweite Schlinge gelegt und/oder durch die Schlingenöffnung hindurch gedrückt wird.
- a dough strand feeding step in which the U-shaped dough strand is fed to the processing table,
- a processing step in which a roughly pretzel-like basic shape with a first loop and a second loop is formed from the U-shaped dough strand from a crossing dough movement, but the dough strand is not looped or not knotted at the point of intersection,
- a first fixing step, wherein one end of the dough strand is fixed to the processing table and / or the dough strand in the region of the first loop,
- a second fixing step, in which the partial strand is fixed to the processing table in the area of the second loop lying opposite the end,
- a lifting step in which the sub-strand is raised in the region of the second loop,
- a gripping step in which another dough is gripped by a gripping means arranged on the processing table and is pulled through between the processing table and a sub-strand area,
- a further gripping step, in which the other end is gripped by a gripping means arranged on the processing head,
- a pivoting step in which the second loop is pivoted about 180 ° about an axis arranged transversely to the conveying direction of the processing table in the raised position, the dough now crossing over at two points,
- a dough moving step in which the second loop is put back on the processing table, and
- another dough moving step in which the dough is placed in the second loop and / or pushed through the loop opening.
Durch diese Schritte ist eine schnelle und präzise Formgebung möglich.These steps allow fast and accurate shaping.
Zweckmäßig ist es, wenn der Verarbeitungsschritt zur Schaffung der brezelartigen Grundform durch Greifermittel des Verarbeitungskopfes erfolgt, wenn der erste Fixierungsschritt mittels eines, vorzugsweise U-förmigen, Positionierungsmittel erfolgt, wenn der zweite Fixierungsschritt durch einen Haltestift erfolgt, wenn der Anhebeschritt durch mindestens ein Anhebemittel, vorzugsweise durch ein linear geführtes Anhebeelement und/oder durch Haltearme erfolgt, wenn der Schwenkschritt durch zwei Haltearme erfolgt, wenn der Teig-Bewegungsschritt durch Kippen der Haltearme in Richtung des Verarbeitungstisches erfolgt, und wenn der weitere Teig-Bewegungsschritt durch ein am Verarbeitungskopf angeordneten Greifermittel erfolgt.It is expedient if the processing step for creating the pretzel-like basic shape by gripping means of the processing head, if the first Fixing step by means of a, preferably U-shaped positioning means takes place when the second fixing step is performed by a retaining pin when the lifting step by at least one lifting means, preferably by a linearly guided lifting element and / or by holding arms, when the pivoting step is carried by two retaining arms, when the dough moving step is performed by tilting the holding arms toward the processing table, and when the further dough moving step is performed by a gripper means disposed on the processing head.
Ein Ausführungsbeispiel wird anhand der Zeichnungen näher erläutert, wobei weitere vorteilhafte Weiterbildungen der Erfindung und Vorteile derselben beschrieben sind.An embodiment will be explained in more detail with reference to the drawings, wherein further advantageous developments of the invention and advantages thereof are described.
Es zeigen:
- Fig. 1
- eine perspektivische Darstellung eines erfindungsgemäßen Systems in einer Grundstellung,
- Fig. 2
- einen Einstrangzopf,
- Fig. 3a - c
- eine bekannte, manuelle Herstellung eines Einstrangzopfes,
- Fig. 4
- einen Werkzeugkopf des Systems von unten gesehen,
- Fig. 5
- eine perspektivische Darstellung des Systems mit einem U-förmigen Teigstrang,
- Fig. 6
- eine vergrößerte perspektivische Darstellung eines Form- bzw. Schlingtisches,
- Fig. 7
- eine Darstellung einer Stellung des Systems ohne Teigstrang, bei dem ein Strang durchgezogen wird und erneut gegriffen werden kann,
- Fig. 8
- eine perspektivische Darstellung des Systems in einer ersten Ablegeposition,
- Fig. 9
- eine Darstellung des System in einer Grundstellung aus einer ersten Perspektive,
- Fig. 10
- eine perspektivische Darstellung der Grundstellung aus einer zweiten Perspektive,
- Fig. 11
- eine perspektivische Darstellung des Systems, bei dem zwei Greifer den U-förmigen Teigstrang greifen,
- Fig. 12
- eine perspektivische Darstellung des Systems, bei dem der Teig durch die Greifer eine Form erhält,
- Fig. 13
- eine perspektivische Darstellung des Systems, bei dem der Teig durch die Greifer leicht überkreuzt wird,
- Fig. 14
- eine perspektivische Darstellung des Systems, bei dem der Teig durch die Greifer vollständig überkreuzt wird,
- Fig. 15
- eine perspektivische Darstellung des Systems, bei dem der Teig etwa eine brezelartige Ausgangsform hat,
- Fig. 16
- eine perspektivische Darstellung des Systems, bei dem der Teig bereichsweise angehoben wird,
- Fig. 17
- eine Darstellung des Systems, bei dem der Teig noch angehoben ist, jedoch aus der zweiten Perspektive gesehen,
- Fig. 18
- eine perspektivische Darstellung eines Ziehvorgangs aus der zweiten Perspektive,
- Fig. 19
- eine perspektivische Darstellung eines Greifvorgangs eines oberen Greifers,
- Fig. 20-22
- perspektivische Darstellungen, bei denen gezeigt ist, wie der Teig verdreht wird,
- Fig. 23-28
- perspektivische Darstellungen, bei denen gezeigt ist, wie ein Teigende in eine Schlaufe gelegt wird,
- Fig. 29
- eine perspektivische Darstellung, bei der sich alle Verarbeitungselemente des Tisches vom Einstrangzopf gelöst haben,
- Fig. 30
- eine perspektivische Darstellung, bei der sich die Verarbeitungselemente in ihre Grundstellung bewegen bzw. bereits bewegt haben, und
- Fig. 31
- eine perspektivische Darstellung, bei der der Tisch wieder eine Grundstellung hat.
- Fig. 32
- ein Ablaufschema des Verfahrens
- Fig. 1
- a perspective view of a system according to the invention in a basic position,
- Fig. 2
- a single strand,
- Fig. 3a - c
- a known, manual production of a Einstrangzopfes,
- Fig. 4
- a tool head of the system seen from below,
- Fig. 5
- a perspective view of the system with a U-shaped dough strand,
- Fig. 6
- an enlarged perspective view of a forming or looping table,
- Fig. 7
- a representation of a position of the system without dough strand, in which a strand is pulled through and can be grasped again,
- Fig. 8
- a perspective view of the system in a first depositing position,
- Fig. 9
- a representation of the system in a basic position from a first perspective,
- Fig. 10
- a perspective view of the basic position from a second perspective,
- Fig. 11
- a perspective view of the system, in which two grippers grip the U-shaped dough strand,
- Fig. 12
- a perspective view of the system in which the dough is given a shape by the gripper,
- Fig. 13
- a perspective view of the system in which the dough is easily crossed by the gripper,
- Fig. 14
- a perspective view of the system in which the dough is completely crossed by the gripper,
- Fig. 15
- a perspective view of the system in which the dough has a pretzel-like starting shape,
- Fig. 16
- a perspective view of the system in which the dough is partially raised,
- Fig. 17
- a representation of the system in which the dough is still raised, but seen from the second perspective,
- Fig. 18
- a perspective view of a drawing process from the second perspective,
- Fig. 19
- a perspective view of a gripping operation of an upper gripper
- Fig. 20-22
- perspective views showing how the dough is twisted,
- Fig. 23-28
- perspective views showing how a dough is placed in a loop,
- Fig. 29
- a perspective view in which all processing elements of the table have detached from the Einstrangzopf,
- Fig. 30
- a perspective view in which the processing elements move or have already moved to their normal position, and
- Fig. 31
- a perspective view in which the table has a basic position again.
- Fig. 32
- a flow chart of the process
In
Die manuelle Herstellung eines Einstrangzopfes ist seit langem bekannt.
Oberhalb des Verarbeitungstisches 3 befindet sich der Verarbeitungskopf 2, der quasi Teil einer bekannten Schlingvorrichtung ist (vgl.
Der Verarbeitungskopf 2 besteht, wie
Wie
Der Riementisch bzw. Verarbeitungstisch 3 umfasst ein U-förmiges Positionierungsmittel 26, wie die
Das Positionierungsmittel 26 hat aber auch eine andere Funktion, nämlich den U-förmigen Teigstrang 1 zu halten direkt nachdem der U-förmige Teigstrang 1 den Verarbeitungstisch 3 erreicht hat bzw. dort für die weitere Verarbeitung stehen geblieben ist. Die Haltezunge 27 hat eine vergleichbare Funktion, wie die im Tisch integrierten Haltestifte der
Zwischen dem zweiten Förderriemen 6 und dem dritten Förderriemen 8 bzw. dieser Riemenanordnung oder Riemengruppe befindet sich ein Anhebemittel 28, der z.B. in
Ebenfalls zwischen dem zweiten Förderriemen 6 und dem dritten Förderriemen 8 ist ein Tischgreifer 32 angeordnet. Dieser positioniert das Teigstrangende 61 bzw. zieht ihn unter einer Teigschlinge hindurch. Dieser wird als Greifermittel 33 oder Positionierungsmittel 33 (
Die
Zwischen dem Riemen 8 und dem Tischgreifer 32 bzw. dem Haltesteg 29 ist ein weiteres Positionierungsmittel 38 (
Zweckmäßig ist es, wenn mehrere Haltestifte, insbesondere zwei Stifte 39 und 39b im Tisch integriert sind, wobei der zweite Stift in den
Neben dem ersten Positionierungsmittel 26, dem zweiten Positionierungsmittel 28, dem dritten Positionierungsmittel 33 und dem vierten Positionierungsmittel 38 ist auch noch ein fünftes Positionierungsmittel 40, der in den
Wie die
Die Haltearme 41, 42 sind außerdem an den gegenüberliegenden Enden der Haltezungen 51, 52 an einer Lagerung 44 fixiert. Ein Drehantrieb dreht die Arme 41, 42 um 180°, so dass entweder die Zinken 50 nach oben zeigen, wie in
Weiterhin sind die Arme 41, 42 um eine in Förderrichtung des Verarbeitungstisches 3 gerichtete Achse C kippbar, wie ein Vergleich der
Eine Positionierung des Teiges oder Teigverarbeitung beinhaltet Vorgänge wie Fixieren des Teiges (vgl. z.B. Mittel 26), Anheben des Teiges (vgl. Mittel 28), Formen des Teiges durch Ziehen des Teiges (vgl. Mittel 33), Halten bzw. Stützen des Teiges (vgl. Mittel 38, 40) oder durch Schwenken bzw. Verdrehen des Teiges (vgl. Mittel 40).Positioning of the dough or dough processing involves operations such as fixing the dough (eg, means 26), lifting the dough (see means 28), shaping the dough by pulling the dough (see means 33), holding or supporting the dough (see means 38, 40) or by pivoting or twisting the dough (cf Means 40).
In den nachfolgenden Figuren wird die Herstellung bzw. Formgebung des Einstrangzopfes näher erläutert. Die
Jede
In
In den
Durch eine Rückwärtsbewegung beider Greifer 4, 5, wie
In dieser Grundform hat der Teigstrang 1 eine erste, der Haltezunge 27 nahe Schlinge 64 und eine zweite, den Haltearmen nahe Schlinge 65. Die zweite Schlinge wird durch die Haltestifte 39, 39b, 50 und 51 in Form gehalten, wie die
Die 90° Schwenkbewegung ist für den zweiten Greifer 5 wichtig, damit das Teigstrangende 62 (vgl.
Die
Die
Der zweite Haltestift 39b ist mit den linear verschiebbaren Greifern verbunden und ist ebenfalls linear verschiebbar, wie
In
In
Die
In
In
Die
Das erste Ende 61 wird anschließend durch den Greifer 5 nach vorne bewegt, d.h. in Richtung der Arme 41, 42, wie
Die Bewegung des Schiebeelementes 23 des zweiten Greifers 5 ist auch in
Als nächstes wird der Greifer 5 zusammen mit seinem Schiebeelement 23 hochgefahren, wie
In
In
Das beschriebene Herstellungsverfahren umfasst:
- Einen Teigstrang-Zuführungsschritt, bei dem
der U-förmige Teigstrang 1dem Verarbeitungstisch 3 zugeführt wird, wie dieFiguren 9 und10 zeigen. - Einen Verarbeitungsschritt,
wie die Figuren 11 zeigen, bei dem ausbis 15dem U-förmigen Teigstrang 1 aus einer sich überkreuzenden Teigbewegung mittels der 4, 5 eine etwa brezelartige Grundform (Greifer Fig. 15 ) mit der ersten Schlinge 64 und der zweiten Schlinge 65 geformt wird, wobei aber der Teigstrang im Kreuzungspunkt 70 (vgl.Fig. 3b ) nicht geschlungen bzw. nicht verknotet ist. - Einen ersten Fixierungsschritt,
wie die Figuren 15 oderFig. 16 zeigen, bei demdas zweite Ende 62 desTeigstranges 1am Verarbeitungstisch 3 und/oder ander Teigschlinge 64 fixiert wird, und zwar mittels des U-förmigen Positionierungsmittels 27 bzw. desGreifers 5. - Einen zweiten Fixierungsschritt, bei dem der Teilstrang 1 im Bereich der dem ersten
Ende 61 gegenüberliegenden, zweiten Schlinge 65am Verarbeitungstisch 3 fixiert wird, und zwar durchden Haltestift 39sowie den Stift 39b aber auch durch die 41, 42 bzw. der L-Haltearme 51, 52, wieförmigen Haltezungen Fig. 15 zeigt. - Einen Anhebeschritt, bei dem der Teilstrang 1 im Bereich der zweiten Schlinge 65 angehoben wird,
wie die Figuren 16 bis 18 veranschaulichen. Dieser Schritt erfolgt mindestens durch die 41, 42 und durch das linear geführte Anhebeelement 29.Anhebemittel - Einen Greifschritt, wie die
Figuren 17 zeigen, bei dem das erste Ende vonbis 19dem am Verarbeitungstisch 3 angeordneten Greifermittel 32 bzw. 33 gegriffen wird und zwischendem Verarbeitungstisch 3 und dem Teilstrangbereich 72 (Fig. 16 ) durchgezogen wird. - Einen weiteren Greifschritt, bei dem
das erste Ende 61 vondem am Verarbeitungskopf 3 angeordneten Greifermittel 5 gegriffen wird,wie die Figuren 19 und20 zeigen. - Einen Schwenkschnitt mittels der
41, 42, bei dem dieArme zweite Schlinge 65 um etwa 180° um eine quer zur Förderrichtung des Verarbeitungstisches angeordnete Achse in der angehobenen Position geschwenkt wird, wobei der Teig nun sich anschließend an zwei Stellen überkreuzt,wie die Figuren 20 zeigen.bis 23 - Einen Teig-Bewegungsschritt, bei dem die
zweite Schlinge 65 wieder aufden Verarbeitungstisch 3 gelegt wird,wie die Figuren 22 und23 zeigen. Dieser Schritt erfolgt durch 41, 42.Kippen der Haltearme - Einen weiteren Teig-Bewegungsschritt, bei dem das erste Teigende 61 in
die zweite Schlinge 65 gelegt wird,wie die Figuren 22 zeigen. Dieser Schritt erfolgt durchbis 27den Greifer 5.
- A dough strand feeding step in which the
U-shaped dough strand 1 is fed to the processing table 3, such as theFigures 9 and10 demonstrate. - A processing step, like the
FIGS. 11 to 15 show, in which from theU-shaped dough strand 1 from a crossing dough movement by means of the 4, 5 an approximately pretzel-like basic shape (gripper Fig. 15 ) is formed with thefirst loop 64 and thesecond loop 65, but with the dough strand at the point of intersection 70 (cf.Fig. 3b ) is not looped or not knotted. - A first fixation step, like the
FIGS. 15 orFig. 16 in which thesecond end 62 of thedough strand 1 is fixed to the processing table 3 and / or thedough loop 64 by means of the U-shaped positioning means 27 and thegripper 5, respectively. - A second fixing step, in which the
partial strand 1 is fixed in the region of thefirst loop 61 opposite, thesecond loop 65 on the processing table 3, by the retainingpin 39 and thepin 39b but also by the retaining 41, 42 and the L- shaped retainingarms 51, 52, such astongues Fig. 15 shows. - A lifting step in which the
sub-strand 1 is raised in the region of thesecond loop 65, like theFIGS. 16 to 18 illustrate. This step takes place at least by the lifting means 41, 42 and by the linearly guided liftingelement 29. - A gripping step, like the
FIGS. 17 to 19 in which the first end is gripped by the gripping means 32 or 33 arranged on the processing table 3 and between the processing table 3 and the sub-strand area 72 (FIG.Fig. 16 ) is pulled through. - Another gripping step in which the
first end 61 is gripped by the gripper means 5 arranged on theprocessing head 3, like theFigures 19 and20 demonstrate. - A pivotal section by means of the
41, 42, in which thearms second loop 65 is pivoted about 180 ° about an axis arranged transversely to the conveying direction of the processing table in the raised position, the dough now then crosses over in two places, like theFIGS. 20 to 23 demonstrate. - A dough moving step in which the
second loop 65 is put back on the processing table 3, like theFigures 22 and23 demonstrate. This step is accomplished by tilting the 41, 42.support arms - Another dough moving step, in which the
first dough 61 is placed in thesecond loop 65, like theFIGS. 22 to 27 demonstrate. This step is performed by thegripper 5.
Die Bewegungsabläufe der Verarbeitungsmittel 27, 29, 32, 39, 39b, 41, 42 des Verarbeitungstisches wird durch die SPS gesteuert, die auch den Verarbeitungskopf 2 steuert. Ebenso möglich ist der Einsatz von Sensoren mit dessen Hilfe die Positionen und Bewegungen des Teigstranges 1 am Verarbeitungstisch 3 erkannt werden können. Die Bewegungsabläufe der Verarbeitungsmittel 27, 29, 32, 39, 39b, 41, 42 können pneumatisch (z.B. mittels Ventile) und/oder elektrisch gesteuert werden.The movements of the processing means 27, 29, 32, 39, 39b, 41, 42 of the processing table are controlled by the PLC, which also controls the
Die Erfindung ist nicht auf dieses Beispiel beschränkt, so könnte alternativ zu den beiden Haltearmen 41, 42 auch ein anderes Halteelement verwendet werden, das an seinem freien Ende z.B. eine Aussparung hat, damit das Ende des Teigstranges fixiert werden kann. Auch könnten anstatt der L-förmigen Zungen Stifte oder andere Stege verwendet werden. Auch könnten die Greiferarme des Tischgreifers 32 anstelle, dass sie eine nach oben zeigende Ausrichtung haben, auch nach vorne gerichtet sein, so dass die Greifarme senkrecht zur Tischebene schwenken. Der Einsatz von mehreren Tischgreifern ist ebenso möglich. Die Anzahl der Haltestifte ist auch nicht auf zwei beschränkt. So könnten drei oder mehr als drei Stifte am Tisch vorhanden sein. Alternativ zu den U-förmigen Positionierungsmitteln könnten zwei nebeneinander liegende Stifte verwendet werden oder andere Fixierungsteile verwendet werden.The invention is not limited to this example, so as an alternative to the two holding
Um das Teigstrangende 61 durch die Schlinge 12 hindurch ziehen zu können wird als Schritt S6 während des Ablegens der Teigstrangenden 61 und 62 die Schlinge 12 mittels der Haltezungen 51 und 52 des Drehantriebs 63 durch eine Kippbewegung des Drehantriebs 63 angehoben (Schritt S7).In order to be able to pull the
Danach wird der Strangbereich 11 mit dem Haltesteg 29 angehoben (Schritt S8), wonach der Tischgreifer 32 das Teigstrangende 61 durch die Schlaufe 12 zieht (Schritt S9).Thereafter, the
Danach werden die Greifer 4 und 5 derart bewegt, dass der Greifer 5 das Teigstrangende 61 im nächsten Schritt S10 aufnehmen kann. Danach wird die Schlinge 12 durch eine Drehbewegung der Haltezungen 51 und 52 im Uhrzeigersinn um 180° gedreht und wieder abgelegt (Schritt S11). Im nächsten Schritt S12 wird der Greifer 5 mit dem Teigstrangende 61 um 90° im Uhrzeigersinn gedreht, und danach das Teigstrangende 61 in der Schlaufe 12 abgelegt (Schritt S13).Thereafter, the
Danach werden die Greifer 4 und 5, der Haltesteg 29, die Haltezunge 51 und 52, der Drehantrieb sowie alle weiteren verwendeten Vorrichtungsteile wieder in ihre Ausgangsposition zurück bewegt, um den nächsten Teigstrang 1 zu verarbeiten (Schritt S14).Thereafter, the
- 100100
- TeigverarbeitungssystemTeigverarbeitungssystem
- 11
- Teigstrangdough strand
- 22
- Verarbeitungskopfprocessing head
- 33
- Verarbeitungstischprocessing table
- 4, 54, 5
- Greifergrab
- 66
- schmale Förderriemennarrow conveyor belts
- 7, 87, 8
- breite Förderriemenwide conveyor belts
- 99
- --
- 1010
- --
- 1111
- Strangbereichstranded region
- 1212
- Schlingeloop
- 13, 1413, 14
- Kreuzungspunktecrossing points
- 1515
- Horizontalführunghorizontal guide
- 1616
- Hubzylinderlifting cylinder
- 17, 1817, 18
- Führungselementeguide elements
- 1919
- Vertikalführungvertical guide
- 2020
- Drehkopfturret
- 21, 2221, 22
- Greiffingergripping fingers
- 2323
- Schiebeelementsliding element
- 24, 2524, 25
- Achsenaxes
- 2626
- U-förmiges Positionierungsmittel (erstes Positionierungsmittel)U-shaped positioning means (first positioning means)
- 2727
- Haltezungeholding tongue
- 2828
- Anhebemittel (zweites Positionierungsmittel)Lifting means (second positioning means)
- 2929
- Haltestegholding web
- 3030
- bogenförmige Konturarcuate contour
- 3232
- Tischgreifertable gripper
- 3333
- Greifermittel oder Positionierungsmittel (drittes Mittel)Gripper means or positioning means (third means)
- 34, 3534, 35
- Greiffingergripping fingers
- 3636
- Auflageplatteplaten
- 3737
- Bolzenbolt
- 3838
- Positionierungsmittel (viertes Mittel)Positioning means (fourth means)
- 3939
- Haltestiftretaining pin
- 39b39b
- Positionierungsmittel (fünftes Mittel)Positioning means (fifth means)
- 4040
- Positionierungsmittel (sechstes Mittel)Positioning means (sixth means)
- 41, 4241, 42
- Haltearmeholding arms
- 4444
- Lagerungstorage
- 4545
- Kippelementtilt element
- 4646
- Hubzylinderlifting cylinder
- 5050
- Gabelzinkenforks
- 5151
- Haltezungeholding tongue
- 5252
- Haltezungeholding tongue
- 5353
- Schenkelleg
- 6161
- TeigstrangendeTeigstrangende
- 6262
- TeigstrangendeTeigstrangende
- 6363
- Drehantriebrotary drive
- 6464
- Schlingeloop
- 6565
- Schlingeloop
- 6666
- TeigbereichTeigbereich
- 6767
- TeigbereichTeigbereich
- 6868
- Grundkörperbody
- 7070
- Kreuzungspunktintersection
- 7171
- Kreuzungspunktintersection
- 7272
- TeigstrangbereichTeigstrangbereich
Claims (9)
- Dough processing system (100) for processing a U-shaped strand of dough (1), comprising a processing head (2), which has two gripping means (4, 5) for looping the dough strand (1) and a shaping table (3), which is equipped with positioning means for positioning the dough strand (1), wherein the shaping table is embodied as a processing table (3), characterized in that various positioning means (26, 28, 33, 39, 39b, 40) of the processing table (3) having multiple different processing functions, wherein at least one positioning means is embodied as a lifting means (28) for raising a section of a strand of dough to a raised position, so that sections of the dough strand (1) are raised relative to the shaping table (3),
and/or at least one positioning means is embodied as a gripping means (33) for pulling on a dough strand end (61), so that sections of the dough strand (1) are stretched and/or pulled,
and/or at least one positioning means is embodied as pivoting means (40) for pivoting a dough strand loop, shaped by the gripping means (4, 5) of the processing head (2), around an axis of rotation that is arranged parallel to the plane of the processing table (3). - Dough processing system according to claim 1, characterized in that at least one lifting means (28), one gripping means (33) and one pivoting means (40) are arranged on the processing table (3) for producing a single-strand braid.
- Dough processing system according to claim 1 or 2, characterized in that the pivoting means (40) has two retaining arms (41, 42) spaced from one another, which are aligned transversely to a direction of conveyance along the processing table (3), and which support at one of their ends a particularly L-shaped retaining tongue (51, 52), wherein the two retaining arms (41, 42) are capable of rotating around a parallel axis of rotation B, which is spaced from the retaining arms (41, 42), and wherein the retaining arms (41, 42) are secured at the ends opposite the retaining tongues (51, 52) to a mount (44), which are tiltable around an axis (C) aligned in the direction of conveyance along the processing table (3), resulting in an upward and downward movement of the retaining arms (41, 42) or the retaining tongues (51, 52).
- Dough processing system according to any one of the preceding claims, characterized in that a preferably U-shaped positioning means (26) for securing a dough strand end (62) during dough processing is provided on the processing table (3), wherein said positioning means (26) is embodied as capable of retracting into the processing table (3).
- Dough processing system according to any one of the preceding claims, characterized in that at least one positioning means on the processing table (3) is embodied as a holding pin (39), which is capable of retracting into the processing table (3).
- Dough processing system according to any one of the preceding claims, characterized in that the processing table (3) is equipped with multiple conveyor belts (6, 7, 8) arranged side by side, wherein at least some of the positioning means (26, 28, 33, 39, 39b) are arranged between the conveyor belts (6, 7, 8).
- Method for processing a strand of dough from a U-shaped, curved dough strand (1), wherein the strand of dough (1) is looped by means of a processing head (2) comprising two gripping means (4, 5) and by means of a processing table (3) having various processing functions the strand of dough (1) is positioned by means of positioning means and a single-strand braid is formed, wherein a section of the strand of dough is raised to a raised position by at least one positioning means, which is embodied as a lifting means (28), so that sections of the dough strand (1) are raised relative to the shaping table (3),
and/or a dough strand end (61) is pulled by means of at least one positioning means, which is embodied as a gripping means (33), so that sections of the dough strand (1) are stretched and/or pulled,
and/or a dough strand loop, which is shaped by the gripping means (4, 5) of the processing head (2), is pivoted around an axis of rotation that is arranged parallel to the plane of the processing table (3), by means of at least one positioning means, which is embodied as pivoting means (40). - Method according to claim 7 and for producing a single-strand braid, comprising at least- a dough strand infeed step, in which the U-shaped strand of dough is fed to the processing table (3),- a processing step in which an approximately pretzel-like basic form comprising a first loop (64) and a second loop (65) is formed from the U-shaped dough strand (1) through a crossover dough movement, wherein the dough strand is not looped or knotted at the intersection point (70),- a first securing step, in which one end (62) of the dough strand (1) is secured on the processing table (3) and/or on the dough strand (1) in the area of the first loop (64),- a second securing step, in which the second end (61) of the dough strand (1) is secured in the area of the second loop (65), opposite the end (62), on the processing table (3),- a lifting step, in which the strand of dough (1) is raised in the area of the second loop (65),- a gripping step, in which another end of the dough (61) is gripped by a gripping means (33) arranged on the processing table (3) and is pulled through between the processing table (3) and an area of the strand section (12),- a further gripping step, in which the other end (61) is gripped by a gripping means (5) arranged on the processing head (3),- a pivoting step, in which the second loop (65) is pivoted approximately 180° around an axis B arranged transversely to the direction of conveyance along the processing table (3) to the raised position, wherein the dough then intersects at two points (13, 14),- a dough movement step, in which the second loop (65) is placed back on the processing table (3),- a further dough movement step, in which the other dough end (61) is placed by the gripper (5) in the second loop (65) and/or is pushed through the loop opening.
- Method according to claim 8 and using a system according to any one of claims 1 to 6, characterized in that- the processing step for producing the pretzel-like basic form is implemented by means of gripping means (4, 5) of the processing head (3),- the first securing step is implemented by means of a preferably U-shaped positioning means (26),- the second securing step is implemented by means of at least one holding pin (39, 39b),- the lifting step is implemented by means of at least one lifting means (28), preferably by a linearly guided lifting element and/or by retaining arms (41, 42),- the pivoting step is implemented by means of two retaining arms (41, 42),- the dough movement step is implemented by tilting the retaining arms (41, 42) in the direction of the processing table (3),- the further dough movement step is implemented by means of a gripping means (5) arranged on the processing head (3).
Applications Claiming Priority (2)
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DE102010037761 | 2010-09-24 | ||
PCT/EP2011/066572 WO2012038527A2 (en) | 2010-09-24 | 2011-09-23 | Dough processing system and method therefor |
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EP2618670A2 EP2618670A2 (en) | 2013-07-31 |
EP2618670B1 true EP2618670B1 (en) | 2015-07-29 |
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EP11771051.7A Active EP2618670B1 (en) | 2010-09-24 | 2011-09-23 | Dough processing system and method therefor |
Country Status (3)
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US (1) | US9936709B2 (en) |
EP (1) | EP2618670B1 (en) |
WO (1) | WO2012038527A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3141123A1 (en) | 2015-09-10 | 2017-03-15 | Fritsch GmbH | Method for processing a strand of dough and dough processing device for same |
DE102016103173A1 (en) | 2016-02-23 | 2017-08-24 | Oswald Piller | Apparatus and process for the production of bakery blanks, in particular single strand pots |
Families Citing this family (4)
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ES2535345B1 (en) * | 2013-06-11 | 2016-02-16 | Javier SOTOS LLUCH | Spiral mass forming machine and method |
DE102016101139B4 (en) * | 2016-01-22 | 2019-06-19 | Fritsch Gmbh | Method and device for carrying out the process for machine-made pretzel production |
JP7129785B2 (en) * | 2018-02-05 | 2022-09-02 | 株式会社オシキリ | Slit forming device and method for forming a slit |
US20230114155A1 (en) * | 2021-10-12 | 2023-04-13 | Dye-No-Myte, Ltd. | System for creating folds in textiles |
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WO1995008921A1 (en) | 1993-09-28 | 1995-04-06 | Hausdorf, Hans-Werner | Pretzel-shaping machine |
IL119612A0 (en) | 1996-11-14 | 1997-02-18 | Shlyakhovsky Bella | Method for the production of khalas |
WO2001060164A1 (en) | 2000-02-17 | 2001-08-23 | Fritsch Gmbh & Co. Kg | Pretzel production system |
DE10146799B4 (en) | 2001-09-22 | 2005-06-02 | Drittenpreis, Thomas Herbert | Device for forming pretzels |
EP2316269B1 (en) * | 2004-01-12 | 2019-06-12 | Fritsch GmbH | Knotting system for a dough strand |
BRPI0806126A2 (en) | 2008-11-03 | 2010-09-21 | Carlos Gomes Barca | process of electric energy production by harnessing the movement of vehicles |
-
2011
- 2011-09-23 EP EP11771051.7A patent/EP2618670B1/en active Active
- 2011-09-23 WO PCT/EP2011/066572 patent/WO2012038527A2/en active Application Filing
- 2011-09-23 US US13/825,205 patent/US9936709B2/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3141123A1 (en) | 2015-09-10 | 2017-03-15 | Fritsch GmbH | Method for processing a strand of dough and dough processing device for same |
US11006635B2 (en) | 2015-09-10 | 2021-05-18 | Fritsch Bakery Technologies GmbH & Co. KG | Method for processing a strand of dough and dough processing apparatus therefor |
DE102016103173A1 (en) | 2016-02-23 | 2017-08-24 | Oswald Piller | Apparatus and process for the production of bakery blanks, in particular single strand pots |
DE102016103173B4 (en) * | 2016-02-23 | 2021-04-15 | Oswald Piller | Device and method for the production of plaited pastry blanks, in particular single-strand plaits |
Also Published As
Publication number | Publication date |
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US9936709B2 (en) | 2018-04-10 |
US20130216672A1 (en) | 2013-08-22 |
EP2618670A2 (en) | 2013-07-31 |
WO2012038527A3 (en) | 2012-06-07 |
WO2012038527A2 (en) | 2012-03-29 |
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